25430105452 has 48 divisors (see below), whose sum is σ = 48927564000. Its totient is φ = 11511256064.

The previous prime is 25430105447. The next prime is 25430105509. The reversal of 25430105452 is 25450103452.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506499 + ... + 554437.

It is an arithmetic number, because the mean of its divisors is an integer number (1019324250).

Almost surely, 2^25430105452 is an apocalyptic number.

It is an amenable number.

25430105452 is a deficient number, since it is larger than the sum of its proper divisors (23497458548).

25430105452 is a wasteful number, since it uses less digits than its factorization.

25430105452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48258 (or 48256 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 25430105452 in words is "twenty-five billion, four hundred thirty million, one hundred five thousand, four hundred fifty-two".